The slave ship Mary left the African coast carrying enslaved Africans toward Grenada. About 299 people had been taken aboard.

Vessel: Mary; flag: Great Britain; rig: Ship; estimated standardized tonnage: 171. People recorded in connection with the voyage: Captain: Tarleton, John; Investor: Tarleton, John; Captain: Tarleton, Thomas; Investor: Tarleton, Thomas; Captain: Mills, Michael; Investor: Backhouse, Dan; Captain: Ford, John. The voyage began at Liverpool on 7 May 1794. Principal recorded place where captives were acquired: West Central Africa and St Helena, port unspecified. Principal recorded disembarkation place: Grenada, place unspecified. Recorded outcome: Voyage completed as intended.